Sexy, saucy Eukanaria and mumbling Haruhiko are hot on the trail of elusive Demon-Stones -- a powerful resource that many would kill to keep! Of course, you have to dig a little for such rare treasure, and the Crystal Cave sounds like the ideal spot for spelunking. But when stone walls begin to move, it’s a sure sign that serious magic is in the mix! Will this cavernous adventure end on a high note, or will everyone stay stuck...forever?